Clothes no longer fit Genesis

Strange thing happens sometimes with studio 4.0, when I reopen a saved scene the clothes on genesis do not fix as they did when i closed the scene. This has happened several time with different clothes and different scenes. The only way I have been able to fix this is to delete and reapply the clothing. Any thoughts?

Version 4.0.3.47 pro and it's the genesis that came with this version.
The clothing in Daz Boy shorts, but I have other pieces of clothing do the same thing.

Hi Snowsnow, just wondering if you've lost the smoothing. Did you have smoothing applied originally? If so is it still in the parameter tab? It may be a bug...I'm not sure which version of DS but iirc one of earlier versions used to lose the smoothing settings. Iirc it's since been fixed